Combined fan and governor for internal combustion engines



June 9, -1931. 1,809,152

COMBINED FAN' AND GOVERNOR FOR INTERNAL VCOMBUSTION ENGINES W. BA.THIEMANN F'iled April 23. 1929 Z. w y u y n .MUN l I1\ v 0 Y. W5 l M W Ham' W 2. l

Patented-June 9, i931 y UNITED-STATES;

WILLIAM i3.- THIEi/IANN,

or ALBERI' CITY, Iowa' Y' COMBINED AND Govnnivonroniiirnnimi.coMiUsrIoivnivciivEs ""Applikationv ined aprilv 23,

This invention relates Ato improvements in automobile' engines forconverting the same into a stationary engine for power purposesTv Inconverting Aan "automobile engine` into a power'device,`fit is essentialthat the sizeof the anbe considerably increased, inasmuch as the engine:isf operated'while stationary. Itis also desirable to provide meanswhereby the speed 4of the engine 'may` be automaticallycontrolledgand inconnection therewith means whereby thespeed controlling'meansma-y beeasilyand quickly adjusted so the engine may be `operated at a numberof'predeterminedv Y y v y i p y l.

' f Y The upper end of the arm is provided with a screw threaded4opening-18 into `which `65v speeds. f vIt is, therefore, theobjectof'my invention toprovidea simple, durable and inexpensive devicewhich maylbe easily and quickly ap-` plied to the engine without thevuse oispecial toolsor mountings', to provide means for vcooling andregulating the speed of the engine.f l

i More specificallyitis the, object ofjmy'i'm venti'ontoprovideacombinedian and governbr device, which may be substituted for/thefanralrea-dy mounted on` the engine,- the sub- 25 stitute 'devicebeingmountedfin the same'manner asthe `fan `previously vmountechj'and isoperated by lt'he'jfan belt furnished y with the engine.` 'f j j v 'Myinventionconsists in the'- construction,

arrangement combina-tionl ofthe various partsV of tlie device,= wherebythe objects 'contemplated l*are attained, as hereinafter morev fullysetfforth," pointed outf'in' my' claims, ,and

- illustrated iny theaccompanyng l Fi VVure is a side:elevationVv of thefront end oi?v an' automobile engine showing the manner inwhichlmyimproved deviceis .connected therewith:

4 Figurev 2 isa front end elevation of the sainev f mechanismli'oractuating the throttle valve 5@ and the mechanismatorfadjusting thespeedy Ysupport a pair of ball bearings 21 supporting i929. seal No;357,565.` oify the; governor, said mechanismbeing shown horizontallyratlierthan inclined.;y A* rl'lhe'numeral 10 indicates. the crank caseoil an internal combustion engine provided with a bracket 11 to whichthe supporting armof 65 Vthfefan is attached. 12- indicates theicylinderblock *and 13 the r'idiator.4 The vcrai'ilof. the

engineis provided with a belt pulley. il'fhav-r. 4 i i Vinggan.ordinaryffan belt 15.L

With my improved device', an'arm 16 is substituted cr the fanbe'lt armof the engine and securedin positionby'fmeans"lofja bolt 17,fwhich isofthe ordinary*constructioii.

a 'screw threaded sleeve; 19 is mounted and secured in position by meansof a lock 1'1iitf20". The outer end yofthe sleeve 19is -designed'to` abelt wheel v22 in alinement with-Tthebelt '15 and designed toreceivesaid belt. TheouterV i end of the sleeve' 19 is provided with a` head 23`to prevent-outward movement Loi the youter one vof 'the bearings 21,while a .washer 24 is mounted adjacent to' theinner falce of the.pulley'22ltoprevent inwardmovementrof the pulley.l Said washeris securedimposition by meansr oia lock nut`25. Ajpacking 26is .provided betweentliegwasheia'nd the inner oneof the kbearings 21 to prieventleakage ofThe outer edgeof thepulley'22 isjprovided with-'anenlargedihollowfhub 27khaving its outer endf" open.:l A plate '28 is 'provided' for closing"the open end vof hub,V saidA plate beingsecuredI in Iposition by`meansscrews 29.` v The periphery of the plate isfp'rovide'd y, l withradially 'and'l outwardly projecting`` lugs 30,V each'of which iisprovided-y with a fan blade# 31. The innerrface the plate 28 .fisprovided with inwardly@projecting/lugs?'32 arranged in pairs. KVAEach'pairvofwlu'gs 32 is designed tol pivotally supporta 'i governor arm`33lEach of said v:ac-rms hasan'inwardly projecting portion flvdesigned ltoengage 9i?,- the outer face of ardisk '85 mounted lonv a` push rod 36`slidably andjrotativelyimounted in the'outer; end' of thesleevelg.- j vA'second push rod 37 is mounted' inl-the innerendof'the agave i9. ball/38is @Dateinamen-the substantially-- at an angle of about 450.` rllheupper face ofthe member 39'is provided with a tooth 40.

Pivotally connectedto the member 39 is a lever 41 pivotally mounted on abolt 42. Said bolt 42' is'k provided with a spring 43 for yieldablysupporting the lever 41 adjacent to the member 39. TheV said lever 41 isprovided with a; sector 44. having itsinner sur-V face providedn withteeth 45 designed to be engaged; by the, tooth 40. The spring 43yieldably supports. the. teeth 40 and 45 together t,

f livot'ally mounted: to the under surface of the member 39,1by means ofa bolt 46 is a lever 47 having its upper endy provided with an upwardlyand outwardly extending portion 48.,y `A spring 49j connects the upperend of the. level48with. thelever 41 in the manner clearlyY illustrated`in Figure 3. The said lever 47 isf supported in such a manner as tobefengaged bythe inner end of the rod 37 sol that any inward movement ofthe rod 37 will cause the freel end of the lever 47 to move'inwardly.The rod 37 and theiree endfo the; lever; 47 are moved outwardly by thetension of the spring 49.` The free end ofthe lever 47 isvoperativelyconnected with an; arm; 50 of the throttle valve of a carburetor 51 bymeansof a rod 52.

Y ABy this arrangement it willbe seen thati the lengine is beingoperated and the pulley y14 rotated, thepulley 22 will be rotatedthroughthebelt 15, which will also cause the hub 27 the plate 28 andvthe fan blades 31 to `berotated.V This in. turn will cause the governorarmV 33 to berotated. and the free ends of saidarms to bethrownoutwardly, which will in turn cause the rods 35 and 37 tobe, movedinwardly andthe arml47 actuatedagainst theaction ofthe spring49,and thethrottle. arm 5,() also actuated through .the-l connecting `rod 52,thereby providing meansfwhereby. the speed of thevengine will be,regulated by controlling the-throttle valve. The operating` speed ot theengine may Vloe varied by-adjusting the tension of thespring 49 bymeansof the lever 41, which isgaccoinplished by/swinging-the ree'end4 ofthe lever v4 1 upwardly, causing. the teeth 45 to. disengagethe tooth,40, after which the free end offsaidlever may be moved either inwardly,

. or outwardly untilgthe desired tensionuisobtained, lwhichin turnwillcause the engine to operate either ata higher orllower speed.

. By providingtwo alinedpush-rods 36 andf 37 l aindplacing the` ball38,b etween them, I have providedlmeans whereby'the push. rod

36 may be permitted to rotate with the inwardly projecting members 34,and thereby eliminate the wear between the inner ends of said members 34and the member 35. The inner 4ends of the arms 33 are provided Withgrooves 54 for the purpose of receiving the rod 36when the said arms,are at their inner limit of movement. This permits. the governor arms tobe placed substantially together when in their closed position, so thatthefactive.angularmovement of the said arms may be increased withoutincreasing the diameterl of the hub 27. It will be seen that thesaidarms 33 are mounted within the hub 27, which is closed by the plate28 and provides an oltight chamber, which may be partially filled.vwith. oil, insuring. proper lubrication for the moving members, as Vwellas lubrication forthe,Y belt pulleys. 22.

By mountingthe governorarms 33 within the hub of the fan, I haveprovided means whereby a single-supporting arm 16 may be employed formounting both thel governor and the-fan in position, occupyingsubstantially the same space as was occupiedv by the previous fan,without havingto reset ythe radiator or any other parts'of theengin-e,.there by providing a vcombined an andV governor device, whichmay be easily and quickly placed, in operative` position, and when soplaced will increase the cooling of the engine, as well as providevmeans whereby the engine may be. operated Vat a number of pre,-determi-ned speeds, yand providing in connection therewith means, foreasily andv quickly` adjusting the -operatingspeedy I claim as'myinvention:

1'.v Ina device ofthe class described, a supporting arm having `anupwardlyv ,projectingmember, asleeve projecting laterally froml saidarm, a pulley rotativelymounted onsaid sleeve having a hollow hub openat its'outer end, a cover plate carried by said hub for closing saidopening, said cover plate having lugs-projecting. into the `opening ofsaid hub, theedge of said-cover plate being provided with4 radiallyIprojecting fan blades, governor arms mountedvwithinsaid hub andpivotally connected to.- saidV inwardly extending:V lugs, a slide rodmounted in the inner end of said sleeve and-operatively connectedto saidsaid spring, the second lever and said up` Wardly projecting memberbeing providedv With serrated surfaces to Vyieldably lock said lever invarious positions of its swinging movement. Y

2. In a device of the class described, an upright supporting arm havinga horizontally extending sleeve portion, a rod slidablT mountedlongitudinally Within said sleeve, av pulley rotatively mounted on saidsleeve, ysaid pulley being provided vvith` a fan and a gove'rnormechanism designed to impart longitudinal movement to said rod, a plvotmember projecting laterally from opposite sides of said upright support,a lever pivotally mounted on one end of said pivot memberv having oneend supported in operative rela? tion With said slide rod, a secondlever mounted on the other end of said pivot mem-V ber, a spring havingone end connected to the free end of the first said lever and the otherend connected to the free end of said second lever, the pivoted end ofthe second lever having its inner surface serrated, the adjacent surfaceof said bracket also being provided with a serrated portion to c'oactWith the first serrated surface, and a springon said pivot Y member foryieldably supporting said serrated portions together.

WILLIAM B. THIEMAN N.

